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180932 (2005 LG31)
Classification: Main-belt Asteroid          SPK-ID: 2180932
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2710027215994592 5.5009e-08  
a 2.552266095917113 1.8723e-08 au
q 1.860595037677549 1.4327e-07 au
i 7.319826538112046 6.8375e-06 deg
node 73.5099004303877 3.0967e-05 deg
peri 277.8862645897301 3.4757e-05 deg
M 218.9375464289386 1.4829e-05 deg
tp 2459784.074473189568
(2022-Jul-23.57447319)
6.1237e-05 TDB
period 1489.317710204234
4.08
1.6388e-05
4.487e-08
d
yr
n .2417214255450116 2.6598e-09 deg/d
Q 3.243937154156677 2.3796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      6318 days (17.30 yr)  
   first obs. used      2002-12-06  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:32  

Additional Information
 Earth MOID = .870776 au 
 Jupiter MOID = 2.23975 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457255.5 (2015-Aug-21.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2707457251441204 5.4366e-08  
q 1.862130648083939 1.4097e-07 au
tp 2456800.006721061507
(2014-May-22.50672106)
6.7539e-05 TDB
node 73.80386566082529 3.1014e-05 deg
peri 277.0027521316887 3.4794e-05 deg
i 7.312418576879995 6.8222e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      6318 days (17.30 yr)  
   first obs. used      2002-12-06  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:32  

Additional Information
 Jupiter MOID = 2.23975 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.955620645028681E-15 -7.630398927935654E-15 2.657050938940451E-12 -2.158239847402478E-14 5.597061799957283E-13 -5.315936357733046E-15
q -7.630398927935654E-15 1.987261606310833E-14 -7.135308324874187E-12 5.527095594390661E-14 -1.498292977181124E-12 1.486817072858918E-14
tp 2.657050938940451E-12 -7.135308324874187E-12 4.561472347993192E-9 -2.644280953231969E-11 1.071167155146046E-9 -9.290218357236418E-12
node -2.158239847402478E-14 5.527095594390661E-14 -2.644280953231969E-11 9.618833032134526E-10 -9.589276656235339E-10 -9.456615209964864E-11
peri 5.597061799957283E-13 -1.498292977181124E-12 1.071167155146046E-9 -9.589276656235339E-10 1.210592266710493E-9 9.150661559642997E-11
i -5.315936357733046E-15 1.486817072858918E-14 -9.290218357236418E-12 -9.456615209964864E-11 9.150661559642997E-11 4.654306240840961E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.07   n/a E2021B55  
rotation period rot_per 4.03161 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

180932 (2005 LG31)          Discovered 2005-Jun-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1967-Dec-26 03:32 < 00:01 Juno 0.0457066894202992 0.0456917834516013 0.0457215956856725 7.04830768702663 7.04830764926233 2439850.647049658 0.980317167723334 765.739460810923 85.7194802017462 -14.0602257003563 21218.6990551646 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 21:28:34 2021-Apr-13 21:28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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